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Bulletin of the World Health Organization

Print version ISSN 0042-9686

Bull World Health Organ vol.84 n.8 Genebra Aug. 2006

http://dx.doi.org/10.1590/S0042-96862006000800006 

WHO NEWS

 

Global Polio Eradication Initiative

 

 

The Global Polio Eradication Initiative — led by WHO, Rotary International, the US Centers for Disease Control and Prevention (CDC) and UNICEF — was launched in 1988 when the World Health Assembly adopted a resolution to eradicate polio. At the time, more than 350 000 children were paralysed by the disease each year, and polio was endemic in more than 125 countries. Since then, tremendous progress has been made and the disease burden has been reduced by more than 99%. In 2006, four countries remain polio endemic — Afghanistan, India, Nigeria and Pakistan — and fewer than 600 cases were reported worldwide by 21 June 2006.

 

 

David Heymann, Representative of the WHO Director-General for Polio Eradication, said he expects that all countries will be able to interrupt polio transmission in 2006, except Nigeria, where at least a further 12 months are needed to finish the job.

 

Q: Which practices helped to make this programme a success?

A: Polio eradication follows two major strategies: routine immunization with oral polio vaccine and mass vaccination campaigns to top off that routine coverage. These strategies are underpinned by networks of medical personnel and laboratories: field medical officers to identify persons with polio through surveillance of acute flaccid paralysis and to support countries in planning and implementation of immunization activities; and laboratories to confirm and analyse the presence of poliovirus. Practices that have worked are: the integration of micro-planning (including community mapping) with the planning of vaccination campaigns; monitoring the performance of vaccination campaigns using pre-established performance indicators; and assessing their impact through surveillance. Additional practices that have ensured strong and valid surveillance include weekly assessment of the performance of surveillance using quantitative reporting indicators, and annual certification of laboratory quality through external quality assessment.

 

Q: What were the lessons you learned when implementing this programme?

A: The first lesson is that scientific evidence must be validated and used as the basis for policies. When difficulty occurred, for example, in interrupting transmission in high population density countries, scientific evidence was used to find the solution — a monovalent oral polio vaccine that is now available to countries in the final stage of eradication. The second and possibly most important lesson is that a well-defined partnership brings complementary strengths to the table. Polio eradication depends on collaboration between four leading partners: WHO, Rotary International, CDC and UNICEF, and on the implementation of programmes by countries with guidance from WHO's regional and country offices. Frequent and regular communication is necessary, whether it be phone conferences to discuss advocacy or fund-raising between the four core partners, or within each organization to discuss planning, budgeting and implementation among staff at headquarters and those in regional and country offices. Each partner, with its comparative advantage, has made the polio eradication initiative a success: Rotary — because of its capacity to raise funds and advocate at all levels of government; UNICEF — with its strength in social mobilization and vaccine supply; CDC — with its provision of technical experts, and WHO — by ensuring eradication norms, standards and policies, global monitoring and technical support to governments.